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47MLB Engineer > Specs > Flashcards

Specs Flashcards

1
Q

MDE L/O

Temp

A

200-250 degrees F

Maintained by J/W cooler

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2
Q

Thermostat

A

170 degrees F

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3
Q

Aftercooler

A

Removes about 100degrees F of heat from charged air via coolant to air heat exchange

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4
Q

MDE L/O PSI

A

Normal range 49-70psi

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5
Q

MDE oil pump

A

Scavenging with 2 pumps
Aft oil pump-scavenging
Forward main pump

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6
Q

MDE L/O pressure relief valve

A

Located in oil cooler adapter plate relieves pressure at 105 psi and dumps oil back to sump

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7
Q

MDE L/O filter

A

30 micron

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8
Q

MDE L/O pressure regulating valve

A

Located at the end of a vertical oil gallery.
Stabilizes pressure at all speeds
Opens at 62psi and dumps oil back to sump

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9
Q

Oil filter bypass valve

A

18-21 psi

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10
Q

Blower psi

A

5psi

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11
Q

Turbo Psi

A

20 or more

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12
Q

Fuel capacity

A

394 100%
373 95%
Suction is 2” from bottom of tank at frame 6
Pickup has Bonnet for capsized operation
Baffles are at frames 6 and 7

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13
Q

Fuel pump

A

Driven off the front of the blower
Has relief valve at 62psi
Has return check valve to protect seal incase engine is counter-rotated

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14
Q

Fuel filters

A

Primary 30 micron duplex particulate and water

Secondary 2-4 micron

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15
Q

Fuel purpose

A

Injecting
Cooling the fire deck
Cleaning and lubricating injectors
80% of file flows back to tank

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16
Q

Fuel orifice

A

On the output side of the fuel cooler there is a .080” restricted orifice

17
Q

Steering

A

Telus T 15 hydraulic fluid 2 gallons

18
Q

Helm pump

A

Axial piston pump displaces 2.3 cubic “ of fluid per revolution

19
Q

hydraulic filter

A

10 micron

20
Q

120 VAC panel

A

Breakers for two Victron inverters,
HVAC units
hot starts
Shore power

21
Q

Read gear pressure

A

Disengaged 58 to 66 PSI

Engaged 230 to 290 psi

22
Q

Normal engine water temp

A

160 to 1 92°F

23
Q

If your name is Hastings

A

You gonna fail

47MLB Engineer (5 decks)

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